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Secondary sewage treatment is mainly a:...

Secondary sewage treatment is mainly a:

A

Biological process

B

Physical process

C

Mechanical process

D

Chemical process

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Explore conceptually related problems

Study the following statements and select the incorrect ones. (i) Physical removal of large and small particles through filtration and sedimentation is called primary sewage treatment. (ii) Secondary sewage treatment is mainly a mechanical process. (iii) Activated sludge sediment in a sewage treatment plant is a rich source of aeroic bacteria. (iv) Biogas, commonly called as gobar gas, is pure methane.

Why do we prefer to call secondary waste water treatment as biological treatment?

Study the given differences between primary sludge and activated sludge and select the incorrect ones. Primary Sludge Activated sludge (i) It is sludge formed during primary sewage treatment. It is sludge formed during secondary sewage treatment. (ii) It possesses flocs of decomposer microbes. It does not possess flocs of decomposer microbes. (iii) It does not require aeration. Formation of activated sludge requires aeration. (iv) A lot of decomposition occurs during formation of primary sludge. Very little decomposition occurs during formation of activated sludge.

Secondary treatment of sewage

Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment. Reason : Primary sewage treatment depends only upon sedimentation properties of materials present in sewage and filtration.

in which stage of sewage treatment is desallination and chlorination of water done ?

Secondary treatment in sewage treatment is Physical Chemical Biological None of these

Secondary treatment or biological treatment of waste or sewage is done by the :-

What is the key difference between primary and secondary sewage treatment?

What is the key difference between primary and secondary sewage treatment?

AAKASH INSTITUTE ENGLISH-MICROBES IN HUMAN WELFARE-Assignment (SECTION - C)
  1. Which one of the following microbes forms symbiotic association with p...

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  2. Organisms called Methanogens are most abundant in a

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  3. Secondary sewage treatment is mainly a:

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  4. Which of the following is mainly produced by the activity of anaerobic...

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  5. Ethanol is commercially produced through a particular species of

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  6. The most common substrate used in distilleries for the production of e...

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  7. Which one of the following is not a biofertiliser?

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  8. An organism used as a biofertilizer for raising soyabean crop is

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  9. Consider one of the following statement (A-D) about oganic farming ...

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  10. Select the correct statement from the following

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  11. An example of endomycorrhiza is

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  12. A common biocontrol agent for the control of plant diseases is

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  13. Which one of the following is not used in or- ganic farming?

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  14. Which of the following is not used as a biopesticide ?

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  15. Which one of the following proved effective for biological control of...

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  16. Modern detergents contain enzyme preparation of

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  17. Trichoderma harizianum has proved to be a useful microorganism for

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  18. Probiotics are

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  19. Which one of the following parts is wrongly matched?

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  20. Bacillus thuringiensis (Bt) strains have been used for designing novel

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